var ec_fleft2 = echarts.init(document.getElementById('fl2'), "dark");
var ec_fleft2_option = {
    	title: {
		text: "除美国累计确诊top5",
		left: 'left',
	},
    xAxis: {
        type: 'category',
        data: []
    },
    yAxis: {
        type: 'value'
    },
    series: [{
        data: [],
        type: 'bar',
        showBackground: true,
        backgroundStyle: {
            color: 'rgba(220, 220, 220, 0.8)'
        }
    }]
};
ec_fleft2.setOption(ec_fleft2_option)